Finding the Fourth Proportional to 2,101,248,053.20, 3,151,872,079.80 and 2,072,582,606.80
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Solution
The fourth proportional to 2,101,248,053.20, 3,151,872,079.80 and 2,072,582,606.80 is: 3,108,873,910.20
Step by Step Solution
- Step 1: Write the proportion equation
2,101,248,053.20 : 3,151,872,079.80 = 2,072,582,606.80 : x - Step 2: Convert to fraction form
2,101,248,053.20/3,151,872,079.80 = 2,072,582,606.80/x - Step 3: Cross multiply
2,101,248,053.20x = 3,151,872,079.80 × 2,072,582,606.80 - Step 4: Simplify right side
2,101,248,053.20x = 6,532,515,251,452,021,760 - Step 5: Solve for x
x = 6,532,515,251,452,021,760/2,101,248,053.20 - Step 6: Final answer
x = 3,108,873,910.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.